Hard Resets Xiaomi Mi 9C: 3 Ways to Reset to Factory Settings

The Xiaomi Mi 9C is a compact smartphone with powerful stuffing, but even it sometimes requires a complete system reboot. Hard reset helps solve problems with freezes, viruses, errors after upgrades or before selling the device. However, the wrong actions can turn the phone into a brick — especially if we are talking about models with a locked bootloader.

In this article, you will find three proven ways to make a hard reset on the Mi 9C: through phone settings, using buttons (Recovery mode), and using Fastboot for difficult cases. We will also discuss how to prepare the device for reset, what data will be lost, and what to do if the phone does not respond to commands. A separate block is devoted to typical errors and ways to avoid them.

What is Hard Reset and When You Need It

Hard reset is a complete reset of the smartphone to the factory settings with the removal of all user data. Unlike reset software, it affects not only temporary files, but also:

• 📱 Installed applications and their settings
• 📷 Photos, videos and music in internal memory
• 📞 Contacts, SMS Call log (if not synced with Google)
• 🔑 Passwords from Wi-Fi and accounts
• 🎮 Save in games (unless tied to the cloud)

The Xiaomi Mi 9C hard reset may be required in the following cases:

• 🐢 The phone is slowing down or constantly overheating.
• 🔄 After updating MIUI There were critical errors
• 🦠 Suspicion of a virus or malware
• 🔒 Forgotten pattern lock or PIN-code
• 💰 Preparation for sale or transfer to another user

⚠️ Note: If you are dropping the Mi 9C Because of the locked screen, note that after the reset, you will need to enter data from the previously associated Mi Account!

Before you start resetting, make sure that the problem is not solved by milder methods:

• 🔄 Reboot your phone (hold the power button for 10 seconds)
• 🧹 Cleaning the cache through Settings → Memory. → Cleanup
• 🛠️ Update MIUI last-minute

Preparation for hard reset: what to save and how

A full reset deletes all data from the internal memory of the Mi 9C, so it is important to back up in advance.

For backups via Mi Cloud:

1. Go to Settings → Xiaomi Account → Mi Cloud.
2. Turn on synchronization for the desired categories (contacts, notes, photos).
3. Click Backup and wait for the process to be completed.

⚠️ Attention: If on Mi 9C installed locked bootloader, reset via Fastboot will result in a brick (inoperability) of the device! Use only methods through the menu or Recovery.

Also check:

Charge your phone at least 50 times%|Make sure you know the username/password from your Mi Account|Save. IMEI (written on a box or under a battery)|Disable the protection. FRP (Find My Device in Google Settings|Get out. SIM-card and memory card if not necessary)-->

Method 1: Hard Resets via Phone Settings

This is the safest method if the phone is turned on and you remember the unlock password.The instructions are suitable for the Mi 9C on any version of MIUI (including MIUI 12/13/14).

Steps for discharge:

1. Open the settings (cog icon on the desktop).
2. Go to the About Phone section. → Backup and reset.
3. Select Resetting → Delete all data.
4. Enter. PIN-code or pattern lock if the system requests.
5. Confirm the action by clicking Reset Settings.

The phone will reboot and start the cleaning process, which will take 3-10 minutes, and when you complete it, you will see the screen of the initial setup, as after you purchase it.

If the item Backup and Reset is not:

• 🔍 Try searching through the search in the settings (the magnifying glass icon at the top).
• 📱 On some firmware, the path may be: Settings → Additionally. → Recovery and discharge.

💡

If after reset, the phone asks you to enter the old password from Mi Account, and you do not remember it, use the recovery service from Xiaomi.

Method 2: Reset via Recovery Mode (buttons)

This method comes in handy if the Mi 9C is not turned on, hovers on the logo or does not respond to touch.

Instructions:

1. Turn off the phone (hold the power button for 10-15 seconds).
2. Press the Power button + Volume up at the same time.
3. Hold them for 10-15 seconds until the Mi logo and Recovery menu appear.
4. Select the language (usually English or Chinese) from the menu.
5. With the volume buttons, move to the Wipe Data item (or on Chinese firmware) and confirm the choice with the power button.
6. Select Wipe All Data → Confirm.
7. Once you’re done, go back to the main menu and select Reboot → Reboot to System.

If the menu is in Chinese, focus on the location of the items:

• 📱 The first point is reset ().
• 🗑️ Third point: data reset ().
• 🔧 The last point - additional settings ().

⚠️ Note: Some custom firmware may call the Wipe Data item Factory Reset. Don't confuse it with Wipe Cache - it's just cache cleaning, not a complete reset!

If you have selected Wipe Data, your phone makes an error:

Method 3: Hard Resets via Fastboot (for experienced)

This method requires connecting the Mi 9C to a computer and using the Fastboot utility.

• 🔧 The phone doesn’t even load in Recovery.
• 🔒 You need to unlock the bootloader before the firmware.
• 📱 Refuse the device after a failed update.

Warning: The wrong commands in Fastboot can permanently knock your phone out of order, especially if the bootloader is locked! Use this method only if you are confident in your actions.

What you need:

• 💻 Computer with Windows/Linux/Mac.
• 🔌 Cable USB (preferably original).
• 🛠️ Installed drivers ADB/Fastboot (You can download from the Android website).
• 📥 Firmware for Mi 9C (If you're planning to ask again).

Step-by-step:

1. Turn off the phone.
2. Press the Power button + Volume down until the hare appears in the hat-eared (Fastboot mode).
3. Connect the phone to the computer.
4. Open the command line (Win + R → enter cmd) and check the connection command: fastboot devices Must appear serial number of the device.
5. For a full reset, type fastboot erase userdata fastboot erase cache fastboot reboot.

If you need to unlock the bootloader (for firmware only!):

1. Link your Mi Account to your device through Xiaomi’s official website.
2. Enter the command: fastboot oem unlock
3. Confirm unlocking on your phone (if the screen is working).

💡

Use Fastboot only if other methods have not worked. 1 or 2 methods are enough for a normal reset - they are safer and do not require technical skills.

Common Mistakes and How to Avoid Them

Even when following the instructions, users often encounter problems, and here are the most common mistakes and solutions:

A few more nuances:

• 🔋 If the phone is dead during reset, plug it into charging and repeat the process. Interrupting can result in data loss or a brick.
• 🌐 On Chinese firmware (China) ROM) Recovery menus may vary. Use a translator or look for icon items.
• 🔑 If you forget the password from Mi Account, do not try to pick it up repeatedly - the account will be blocked for 24 hours.

What to do after a hard reset

After a successful reset, the Xiaomi Mi 9C will return to factory settings.

1. Setting up the language and region: 🌍 Select a country (Russia/Ukraine/Kazakhstan for Russian firmware). 🗣️ Install Russian in the settings menu.
2. Network connection: 📶 Connect to Wi-Fi or insert SIM-mobile-internet. 🔄 Update. MIUI Up to the latest version through Settings → Updating the system.
3. Data recovery: ☁️ Sign in to Google Account and Mi Account to sync contacts and apps. 📱 Install Google Photos or Mi Cloud to recover media files.

Optimization of work:

• 🚀 Turn off unnecessary autoruns in Settings → Annexes → Auto-start.
• 🔋 Activate Battery Mode in Settings → Battery.

If the phone is running slower than before:

• 🧹 Clear the cache through Settings → Memory. → Cleanup.
• 🔄 Install a custom core or firmware (e.g. Xiaomi.EU for better performance).
• 🛠️ Check your phone for viruses with Malwarebytes or Dr.Web.

💡

To speed up the Mi 9C after reset, turn off the interface animation. To do this, activate Developer Mode (7 taps by build number in About Phone), then in Settings → Additional → For developers, set all animations on Off or 0.5x

FAQ: Frequent questions about the hard reset Xiaomi Mi 9C